?? itemdao.java
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package com.netshop.domain.dao;
import java.util.List;
import com.netshop.domain.model.Item;
import com.netshop.domain.model.Order;
import org.springframework.dao.DataAccessException;
public interface ItemDao {
boolean isItemInStock(String itemId) throws DataAccessException;
List getItemListByProduct(String productId) throws DataAccessException;
Item getItem(String itemId) throws DataAccessException;
}
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